When the power goes out, having a reliable generator can make all the difference. But what if you could have a power source that offers ultimate fuel flexibility? Tri-fuel generators provide exactly that, giving you the freedom to run on gasoline, propane, or natural gas. This versatility means you’re never stuck relying on a single, potentially scarce fuel source during an emergency or while enjoying the great outdoors.
Choosing the right model, however, can be a challenge with so many options available. From portable kits that convert your existing generator to powerful home standby units, the best tri-fuel generator for you depends on your specific power needs and intended use. This roundup breaks down eight of the top contenders to help you find the perfect match for your home, RV, or job site.
The Best Tri-Fuel Generators for Reliable Power
- Hutch Mountain Generator Propane Conversion Kit Honda EU2200i
- Champion Power Equipment 15,000-Watt Tri Fuel Home Backup Generator
- DuroMax XP13000HXT Tri-Fuel Portable Generator
- Westinghouse WGen9500TF Dual Fuel Generator with Tri-Fuel Capability
- Pulsar G12KBN Heavy Duty Portable Tri-Fuel Generator
- Firman T07573 Tri-Fuel Generator with Electric Start
- Generac 7117 G20KVA Industrial Tri-Fuel Generator
- WEN DF1100T 11,000-Watt Dual Fuel Generator with Tri-Fuel Kit
Hutch Mountain Generator Propane Conversion Kit Honda EU2200i
This unique product is not a standalone generator but a conversion kit that transforms your Honda EU2200i into a versatile tri-fuel power source. It provides the flexibility to use propane, gasoline, or natural gas, making it an excellent choice for those who already own this popular portable generator. The kit is designed for seamless integration, allowing you to switch between fuel types based on availability and convenience.
One of the significant benefits of using this kit is the move to cleaner-burning fuels like propane and natural gas. This eliminates issues with stale gasoline and clogged carburetors, reducing long-term maintenance. It is particularly well-suited for RV owners, as it works with standard propane tanks and RV quick-connect hoses, making it a practical solution for camping, tailgating, and home backup power.
Champion Power Equipment 15,000-Watt Electric Start Tri Fuel Home Backup Portable Generator with CO Shield
Champion delivers substantial power with this 15,000-watt tri-fuel model, designed for serious home backup. It arrives ready to run on all three fuels right out of the box, with the necessary hoses for natural gas and propane included. This eliminates the guesswork and lets you connect to your home’s natural gas line for nearly uninterrupted power during an extended outage.
Powered by a robust 717cc V-Twin engine, this generator features a convenient electric start with a battery included. For safety, it is equipped with the CO Shield carbon monoxide auto shutoff system, which automatically turns the unit off if dangerous levels of CO are detected in an enclosed space. With a run time of up to 9 hours on gasoline, it offers both power and peace of mind.
DuroMax XP13000HXT Tri-Fuel Portable Generator
The DuroMax XP13000HXT is a powerhouse designed for both home backup and demanding job site use. Its tri-fuel capability provides exceptional flexibility, allowing you to choose the most economical or accessible fuel at any given time. With high wattage output, this unit is capable of running multiple heavy appliances and power tools simultaneously.
It features a user-friendly control panel with multiple outlets, including RV-ready connections. The engine is built for durability and long life, and the unit is mounted on a sturdy frame with never-flat wheels for improved portability. For those needing a reliable and mobile high-wattage solution, the DuroMax XP13000HXT is a strong contender.
Westinghouse WGen9500TF Dual Fuel Generator with Tri-Fuel Capability
Westinghouse offers a robust solution with the WGen9500TF, a generator that comes as a dual-fuel (gasoline/propane) unit with the factory capability to be easily converted to run on natural gas. This approach gives you immediate flexibility and a clear upgrade path for permanent home backup. It delivers ample power to keep essential home systems running during a blackout.
The generator features a remote start key fob for convenient operation from inside your home, along with a traditional electric start. A built-in fuel gauge and automatic low oil shutdown add to the convenience and safety of operation. Built with a durable steel frame, the WGen9500TF is designed for reliability when you need it most.
Pulsar G12KBN Heavy Duty Portable Tri-Fuel Generator
The Pulsar G12KBN is a heavy-duty portable generator built to handle a variety of tasks. Its tri-fuel engine provides the adaptability to use whatever fuel is on hand, making it a reliable partner for emergencies, camping, and construction work. The unit is designed with a focus on durability and consistent performance.
It includes a range of outlets to power multiple devices and appliances, and its wheel kit and folding handle ensure it can be moved to where the power is needed most. For users seeking a no-frills, functional tri-fuel generator that emphasizes performance and portability, the Pulsar G12KBN is an excellent option to consider.
Firman T07573 Tri-Fuel Generator with Electric Start
Firman’s T07573 model combines user-friendly features with the versatility of tri-fuel operation. The electric start function makes getting the generator running a simple task, which is a significant advantage during stressful emergency situations. Its design focuses on providing reliable power for home essentials and recreational use.
This generator is engineered with a low-tone muffler to help reduce operational noise, making it a more considerate choice for neighborhoods and campgrounds. With a robust build and a comprehensive set of outlets, the Firman T07573 offers a balanced mix of power, convenience, and quieter operation.
Generac 7117 G20KVA Industrial Tri-Fuel Generator
The Generac 7117 is an industrial-grade generator built for maximum performance and durability. As a tri-fuel unit, it offers unparalleled fuel flexibility for demanding commercial, industrial, and agricultural applications. This generator is designed to provide prime power in situations where reliability is non-negotiable.
It features a large-capacity fuel tank for extended run times and a powerful engine designed to handle continuous heavy loads. With its industrial construction and high power output, the Generac 7117 is suited for users with the most critical power needs, from job sites to remote facilities.
WEN DF1100T 11,000-Watt 120V/240V Dual Fuel Generator with Tri-Fuel Kit
The WEN DF1100T offers a compelling package, starting as a dual-fuel generator that can run on gasoline or propane straight from the factory. Its standout feature is the available tri-fuel kit, which allows you to add natural gas capability. This modular approach lets you invest in a powerful base unit and upgrade its functionality later.
This generator produces 11,000 watts of power and includes an electric start for easy operation. It is equipped with multiple outlets, including a 240V twist-lock for larger appliances. For the budget-conscious buyer who wants the option to expand their generator’s capabilities, the WEN DF1100T provides an excellent foundation.
Buying Guide: How to Choose the Best Tri-Fuel Generator for Your Needs
When I started looking for a tri-fuel generator, I quickly realized it wasn’t as simple as just picking the most powerful one. The ability to run on gasoline, propane, and natural gas offers incredible flexibility, but you need to know what to look for to get the right machine for your situation. Here’s my breakdown of the key factors to consider before you make your purchase.
First and foremost, think about power output, which is measured in watts. You need to calculate your total starting and running wattage requirements. Add up the watts needed for all the essential appliances you want to run simultaneously during an outage—like your refrigerator, furnace fan, a few lights, and maybe a well pump. Always add a 20-25% buffer to that total. This ensures you don’t overload the generator and gives you a little room for peace of mind. A generator that’s too small is just a noisy paperweight.
Next, consider the fuel flexibility itself. While all tri-fuel generators can use all three fuels, their performance varies. You’ll typically get the most raw power from gasoline. Propane is fantastic because it stores indefinitely and burns cleaner, which is better for the engine’s long-term health. Natural gas is the ultimate convenience if you have a home hookup; you never have to worry about refilling a tank. Check the specific fuel consumption rates and runtime figures for each fuel type on the models you’re considering.
Portability is another huge factor. How and where will you store and use the generator? Larger models with 10,000 watts or more often come on a sturdy wheel kit, but they are still very heavy. Smaller, inverter-style tri-fuel generators are much lighter and easier to move, making them great for camping or job sites. Think about your physical ability to maneuver it and the storage space you have available.
Finally, don’t overlook the extra features. Look for a model with a reliable electric start, especially if you anticipate needing to use it in a hurry or in bad weather. A clear, easy-to-read control panel with multiple outlets (including 120V and 240V) is a must. For sensitive electronics like laptops and phones, an inverter generator provides clean, stable power that prevents damage. Also, check the noise level; a quieter generator is a better neighbor. By carefully weighing these factors—power, fuel, portability, and features—you can confidently select one of the best tri-fuel generators that perfectly matches your home backup or recreational needs.
Frequently Asked Questions
What are the main advantages of a tri-fuel generator?
The biggest advantage is fuel flexibility and preparedness. With a tri-fuel generator, you’re not locked into one fuel source. If gasoline is in short supply after a storm, you can switch to the propane tanks you have stored. If you have a natural gas line to your house, you can run it indefinitely without ever refueling a tank. This versatility makes it one of the most reliable options for emergency home backup power.
Do I lose power when switching between fuels?
Yes, this is a common and important point. Most tri-fuel generators are not “switch-on-the-fly” systems. You typically have to turn the generator off before you change the fuel source. The engine needs to be stopped to adjust the regulator or carburetor for the different fuel type. Always consult your owner’s manual for the specific procedure for your model to avoid damaging the engine.
Is natural gas less powerful than gasoline or propane?
Generally, yes. Natural gas has a lower energy density compared to gasoline and propane. Because of this, you will usually see a lower wattage output when the generator is running on natural gas. For example, a generator might produce 8,000 watts on gasoline but only 7,200 watts on natural gas. It’s crucial to check the power ratings for each fuel type to ensure it will still meet your needs when running on your preferred fuel.
How do I connect a tri-fuel generator to my home’s natural gas line?
This is not a DIY project. Connecting a generator to your home’s natural gas line requires a permanent, professionally installed quick-disconnect fitting. You must hire a licensed plumber or gas fitter to do this work. They will ensure the connection is safe, up to code, and that your gas line has sufficient pressure and volume to supply the generator without affecting other appliances in your home.
Are tri-fuel generators louder than regular generators?
Not necessarily. The noise level depends more on the generator’s design and engine size than its fuel capability. Large, open-frame generators are inherently louder than smaller, enclosed inverter models. Some tri-fuel models are built with noise-reducing features. If noise is a concern, look for an inverter-style tri-fuel generator, as they are significantly quieter and better suited for residential areas or camping.
What maintenance does a tri-fuel generator require?
Like any small engine, it requires regular maintenance. This includes oil changes, air filter cleaning/replacement, and spark plug inspection. A key maintenance tip for tri-fuel models is to run the engine out of fuel or use a fuel stabilizer if you’re storing it with gasoline in the tank to prevent varnish and gum from clogging the carburetor. Running it on propane periodically can also help clean the engine. Following the maintenance schedule in your manual is the best way to ensure your 8 Best Tri-Fuel Generators – Reviews & Buying Guide for Your Needs investment is ready when you are.